logo Calflora Illustrated Plant List 

Santa Rita Road Corridor
Santa Rita Road from Templeton to Cayucos

San Luis Obispo County

David Keil  / CNPS-SLO  (2022-05-02)

Record Detail Nearby Surveys What Grows Here?
330 PLANTS
Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

Acer macrophyllum
2020 Diane Etchison
Acer macrophyllum
2018 Ron Vanderhoff
Acer macrophyllum
2018 Julie Kierstead Nelson

Acer negundo    Boxelder
native
Tree

SAPINDACEAE

Acer negundo
2019 Robert Sweet
Acer negundo
2016 John H Malpas
Acer negundo
2019 Ron Vanderhoff

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
2022 Andy Ford
Achillea millefolium
2014 James Gonsman
Achillea millefolium
2023 Ron Vanderhoff

Acmispon americanus var. americanus    American bird's foot trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Acmispon americanus var. americanus
2019 Ron Vanderhoff
Acmispon americanus var. americanus
2019 Matt Berger
Acmispon americanus var. americanus
2017 David Wolfson

native
Perennial herb

FABACEAE

Acmispon glaber var. glaber
2020 Ron Vanderhoff
Acmispon glaber var. glaber
2020 Ron Vanderhoff
Acmispon glaber var. glaber
2020 Ron Vanderhoff

Acmispon parviflorus    Hill lotus
native
Annual herb

FABACEAE

Acmispon parviflorus
2019 Ron Vanderhoff
Acmispon parviflorus
2005 Steve Matson
Acmispon parviflorus
2005 Steve Matson

Adelinia grandis    Hound's tongue,  Western houndstongue,  Adelinia
native
Perennial herb

BORAGINACEAE

Adelinia grandis
2019 Eliezer Margolis
Adelinia grandis
2021 Dee Shea Himes
Adelinia grandis
2022 David Strauch

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum
2014 Garth Wadsworth
Adenostoma fasciculatum
2021 Ron Vanderhoff
Adenostoma fasciculatum
2017 Angelique Herman

Adiantum jordanii    Adiantum,  maiden hair fern
native
Fern

PTERIDACEAE

Adiantum jordanii
2022 BOB CASE
Adiantum jordanii
2019 Ron Vanderhoff
Adiantum jordanii
2019 Susan McDougall

Aesculus californica    Buckeye,  California buckeye,  California horse chestnut
native
Tree

SAPINDACEAE

Aesculus californica
2018 Joseph Belli
Aesculus californica
2021 Cyril Guyot
Aesculus californica
2011 Steve Matson

Agastache urticifolia    Horse mint,  Horsemint giant hyssop,  Nettle leaf giant hyssop
native
Perennial herb

LAMIACEAE

Agastache urticifolia
2020 Bob Sweatt
Agastache urticifolia
2010 Gerald Carr
Agastache urticifolia
2010 Gerald Carr

Agoseris grandiflora var. grandiflora    Giant mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris grandiflora var. grandiflora
2007 Gerald Carr
Agoseris grandiflora var. grandiflora
2007 Gerald Carr
Agoseris grandiflora var. grandiflora
2021 Emily Sluiman

Agoseris heterophylla var. cryptopleura    Mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla var. cryptopleura
2022 Mike Russler
Agoseris heterophylla var. cryptopleura
2022 Mike Russler
Agoseris heterophylla var. cryptopleura
2022 Mike Russler

native
Annual herb

ASTERACEAE

Agoseris heterophylla var. heterophylla
2022 R.A. Chasey
Agoseris heterophylla var. heterophylla
2022 Mark Gary
Agoseris heterophylla var. heterophylla
2019 David Greenberger

Agoseris retrorsa    Spear leaved agoseris,  Spearleaf agoseris,  Spearleaf mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris retrorsa
2019 Ron Vanderhoff
Agoseris retrorsa
2019 Diane Etchison
Agoseris retrorsa
2022 Helen Hancock

Agrostis exarata    Spike bentgrass,  Spike redtop
native
Perennial grass

POACEAE

Agrostis exarata
2022 Teal Derrer
Agrostis exarata
2021 David popp
Agrostis exarata
2022 John Rawlings

Agrostis pallens    Leafy bent grass,  Seashore bentgrass,  Thingrass
native
Perennial grass

POACEAE

Agrostis pallens
2021 John Rawlings
Agrostis pallens
2008 Keir Morse
Agrostis pallens
2021 John Rawlings

Aira caryophyllea    Shiver grass,  Silver hairgrass,  Silvery hairgrass
non-native
Annual grass

POACEAE

Aira caryophyllea
2019 Gary McDonald
Aira caryophyllea
2005 Steve Matson
Aira caryophyllea
2015 Chris Jaster

Allium unifolium    One leaf onion,  Oneleaf onion
native
Perennial herb (bulb)

ALLIACEAE

Allium unifolium
2017 Hunter Breck
Allium unifolium
2018 Glen Schneider
Allium unifolium
2018 Ken Hickman

Amaryllis belladonna    Belladonna lily
non-native
Perennial herb

AMARYLLIDACEAE

Amaryllis belladonna
2016 Camille Nowell
Amaryllis belladonna
2020 Jacob Martin
Amaryllis belladonna
2022 Ron Vanderhoff

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia intermedia
2020 Matt Berger
Amsinckia intermedia
2019 Ron Vanderhoff
Amsinckia intermedia
2021 David popp

Amsinckia menziesii    Menzies' fiddleneck,  Small flowered fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia menziesii
2020 Ron Vanderhoff
Amsinckia menziesii
2018 Gary McDonald
Amsinckia menziesii
2018 Gary McDonald

Anthemis cotula    Dog fennel,  Mayweed, dog fennel,  Stinking chamomile
non-native
Annual herb

ASTERACEAE

Anthemis cotula
2017 Diane Etchison
Anthemis cotula
2019 Nathan Taxel
Anthemis cotula
2019 Dave Beller

Anthriscus caucalis    Bur chervil
non-native
Annual herb, Vine

APIACEAE

Anthriscus caucalis
2017 Diane Etchison
Anthriscus caucalis
2013 Toni Corelli
Anthriscus caucalis
2020 Jennifer Mo

native
Perennial herb

PLANTAGINACEAE

Antirrhinum thompsonii
2018 Michael Mitchell
Antirrhinum thompsonii
Geoff Burleigh
Antirrhinum thompsonii
2016 Kristin Sabo

Apiastrum angustifolium    Mock parsley,  Wild celery,  Wild parsley
native
Annual herb

APIACEAE

Apiastrum angustifolium
2020 Ron Vanderhoff
Apiastrum angustifolium
2020 Ron Vanderhoff
Apiastrum angustifolium
2020 Ron Vanderhoff

Apocynum cannabinum    Indian hemp,  Indianhemp dogbane
native
Perennial herb

APOCYNACEAE

Apocynum cannabinum
2019 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff

Aralia californica    California spikenard,  Elk's clover,  Elkclover
native
Perennial herb

ARALIACEAE

Aralia californica
2022 Julie A. Kierstead
Aralia californica
2020 Tri Do
Aralia californica
2014 James Gonsman

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

Arbutus menziesii
2021 Cynthia Powell
Arbutus menziesii
2021 R.A. Chasey
Arbutus menziesii
2021 Hunter Breck

Artemisia californica    California sagebrush,  Coast sagebrush,  Coastal sage brush
native
Shrub

ASTERACEAE

Artemisia californica
2018 James Gonsman
Artemisia californica
2022 Julia Markey
Artemisia californica
2020 Ron Vanderhoff

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana
2013 Brent Morgan
Artemisia douglasiana
2022 Ron Vanderhoff
Artemisia douglasiana
2021 Mike Russler

Arundo donax    Giant reed
invasive non-native
Perennial grass

POACEAE

Arundo donax
2013 Miriam Sachs Martin
Arundo donax
2020 Jennifer Mo
Arundo donax
2018 Ron Vanderhoff

Asclepias eriocarpa    Indian milkweed,  Kotolo milkweed,  Woolypod milkweed
native
Perennial herb

APOCYNACEAE

Asclepias eriocarpa
2018 Jennifer Poore
Asclepias eriocarpa
2019 Cliff Halverson
Asclepias eriocarpa
2019 Ron Vanderhoff

Asclepias fascicularis    Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

Asclepias fascicularis
2018 Ron Vanderhoff
Asclepias fascicularis
2014 Steve Matson
Asclepias fascicularis
2019 Ron Vanderhoff

Aspidotis californica    California lace fern,  California lacefern
native
Fern

PTERIDACEAE

Aspidotis californica
2016 Barbara Boethling
Aspidotis californica
2018 Hunter Breck
Aspidotis californica
2003 Michael Charters

Astragalus curtipes    Morro milkvetch,  San luis obispo milkvetch,  South coast milk vetch
native
Perennial herb

FABACEAE

Astragalus curtipes
2021 Joel A. Germond, Psy.D.
Astragalus curtipes
2020 David Greenberger
Astragalus curtipes
2020 David Greenberger

Avena barbata    Slender oat,  Slim oat
invasive non-native
Annual grass

POACEAE

Avena barbata
2018 Julian Geoghegan
Avena barbata
2023 David popp
Avena barbata
2019 Ron Vanderhoff

Avena fatua    Wild oat,  Wildoat
invasive non-native
Annual grass

POACEAE

Avena fatua
2018 Gary McDonald
Avena fatua
2023 Ron Vanderhoff
Avena fatua
2023 Ron Vanderhoff

Azolla filiculoides    American water fern, mosquito fern,  Mosquito fern,  Pacific mosquitofern
native
Fern

AZOLLACEAE

Azolla filiculoides
2020 Ron Vanderhoff
Azolla filiculoides
2022 Morgan Stickrod
Azolla filiculoides
2021 Zoya Akulova-Barlow

Baccharis glutinosa    Douglas' baccharis,  Salt marsh baccharis
native
Perennial herb

ASTERACEAE

Baccharis glutinosa
2020 Patrick Furtado
Baccharis glutinosa
2019 Julian Geoghegan
Baccharis glutinosa
2020 Rebecca Schoenenberger

native
Shrub

ASTERACEAE

Baccharis pilularis var. consanguinea
2009 Toni Corelli
Baccharis pilularis var. consanguinea
2022 John Doyen
Baccharis pilularis var. consanguinea
2018 Ron Vanderhoff

Barbarea orthoceras    American rocket,  American wintercress,  Erectpod wintercress
native
Perennial herb

BRASSICACEAE

Barbarea orthoceras
2015 James Gonsman
Barbarea orthoceras
2019 Diane Etchison
Barbarea orthoceras
2020 Diane Etchison

Bloomeria crocea var. crocea    Common goldenstar
native
Perennial herb

THEMIDACEAE

Bloomeria crocea var. crocea
2019 Michael Mitchell
Bloomeria crocea var. crocea
2019 Ron Vanderhoff
Bloomeria crocea var. crocea
2017 Aaron Echols

Brachypodium hybridum   


Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra
2020 Diane Etchison
Brassica nigra
2019 Ron Vanderhoff
Brassica nigra
2019 Ron Vanderhoff

Brickellia californica    Brickell bush,  California brickellbush,  California brickellia
native
Perennial herb

ASTERACEAE

Brickellia californica
2017 Stephen Rosenthal
Brickellia californica
2018 Diane Etchison
Brickellia californica
2022 Ron Vanderhoff

Briza maxima    Big quaking grass,  Big quakinggrass,  Rattlesnake grass
invasive non-native
Annual grass

POACEAE

Briza maxima
2017 Gary McDonald
Briza maxima
2018 Bill Schmidt
Briza maxima
2017 Gary McDonald

Bromus diandrus    Bromegrass,  Ripgut brome,  Ripgut grass
invasive non-native
Annual grass

POACEAE

Bromus diandrus
2022 Ron Vanderhoff
Bromus diandrus
2021 Richard Spjut
Bromus diandrus
2022 Ron Vanderhoff

Bromus hordeaceus    Soft brome,  Soft chess
invasive non-native
Annual grass

POACEAE

Bromus hordeaceus
2023 Ron Vanderhoff
Bromus hordeaceus
2018 Gary McDonald
Bromus hordeaceus
2018 Gary McDonald

Bromus laevipes    Chinook brome,  Narrow flowered brome,  Woodland brome
native
Perennial grass

POACEAE

Bromus laevipes
2020 Alice Cummings
Bromus laevipes
2019 Kimberly Moses
Bromus laevipes
2018 Ken Hickman

Bromus madritensis    Foxtail chess, foxtail brome,  Madrid brome,  Spanish brome
non-native
Annual grass

POACEAE

Bromus madritensis
2022 Steve Matson
Bromus madritensis
2020 Hailey Laskey
Bromus madritensis
2015 Chris Jaster

Bromus sitchensis var. carinatus    California brome
native
Perennial grass

POACEAE

Bromus sitchensis var. carinatus
2020 Ron Vanderhoff
Bromus sitchensis var. carinatus
2021 Neal Kramer
Bromus sitchensis var. carinatus
2023 Carolyn Harper

Calochortus albus    White fairy lantern,  White globe lily
native
Perennial herb

LILIACEAE

Calochortus albus
2019 David Greenberger
Calochortus albus
2019 Cynthia Powell
Calochortus albus
2009 Bob Case

Calochortus clavatus var. clavatus    Club haired mariposa lily,  Clubhair mariposa lily
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus clavatus var. clavatus
2020 David Wolfson
Calochortus clavatus var. clavatus
2019 Marisa Persaud
Calochortus clavatus var. clavatus
2008 Gary A. Monroe

Calochortus splendens    Splendid mariposa lily
native
Perennial herb

LILIACEAE

Calochortus splendens
2020 Bo Gould
Calochortus splendens
2019 Gordon Jenkins
Calochortus splendens
2019 Ron Vanderhoff

Calystegia macrostegia ssp. cyclostegia    Coast morning glory,  Island false bindweed
native
Perennial herb, Vine

CONVOLVULACEAE

Calystegia macrostegia ssp. cyclostegia
2017 Michael Mitchell
Calystegia macrostegia ssp. cyclostegia
2020 James Gonsman
Calystegia macrostegia ssp. cyclostegia
2017 Michael Mitchell

Cardamine californica    California toothwort,  milkmaids
native
Perennial herb

BRASSICACEAE

Cardamine californica
2020 Barbara Peck
Cardamine californica
2019 Ron Vanderhoff
Cardamine californica
2019 Ron Vanderhoff

Cardamine oligosperma    Bitter cress,  Idaho bittercress
native
Annual, Perennial herb

BRASSICACEAE

Cardamine oligosperma
2008 Steve Matson
Cardamine oligosperma
2013 Emily Wong
Cardamine oligosperma
2013 Ron Wolf

non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus ssp. pycnocephalus
2020 Ron Vanderhoff
Carduus pycnocephalus ssp. pycnocephalus
2019 Gary McDonald
Carduus pycnocephalus ssp. pycnocephalus
2021 Ron Vanderhoff

Carex globosa    Round fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex globosa
2014 Steve Matson
Carex globosa
2014 Steve Matson
Carex globosa
2021 John Rawlings

Carex nudata    Dudley's sedge,  Naked sedge,  Torrent sedge
native
Perennial grasslike herb

CYPERACEAE

Carex nudata
2014 John Malpas
Carex nudata
2021 Kristen Nelson
Carex nudata
2021 Kristen Nelson

Carex spissa    San diego sedge
native
Perennial grasslike herb

CYPERACEAE

Carex spissa
2016 Steve Matson
Carex spissa
2016 Steve Matson
Carex spissa
2016 Steve Matson

Carex subbracteata    Small bract sedge
native
Perennial grasslike herb

CYPERACEAE

Carex subbracteata
2022 John Rawlings
Carex subbracteata
2021 John Rawlings
Carex subbracteata
2021 John Rawlings

Castilleja affinis var. affinis    Coast indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis var. affinis
2006 Steve Matson
Castilleja affinis var. affinis
2021 Dylan Neubauer
Castilleja affinis var. affinis
2019 Ron Vanderhoff

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. cuneatus
2022 Ryan O'Dell
Ceanothus cuneatus var. cuneatus
2021 Steve Matson
Ceanothus cuneatus var. cuneatus
2019 Cara Wilcox

Ceanothus foliosus var. medius    La cuesta ceanothus,  Wavyleaf buckbrush
native
Shrub

RHAMNACEAE

Ceanothus foliosus var. medius
2018 Michael Mitchell
Ceanothus foliosus var. medius
2005 Dieter Wilken

native
Shrub

RHAMNACEAE

Ceanothus oliganthus var. sorediatus
2015 Diane Etchison
Ceanothus oliganthus var. sorediatus
2019 Susan McDougall
Ceanothus oliganthus var. sorediatus
2019 Susan McDougall

Ceanothus papillosus    warty-leaf ceanothus,  Wartleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus papillosus
2022 Justin Luong
Ceanothus papillosus
2019 Susan McDougall
Ceanothus papillosus
2021 Mary Conway

Cerastium glomeratum    Large mouse ears,  Mouseear chickweed,  Sticky chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Cerastium glomeratum
2023 Ron Vanderhoff
Cerastium glomeratum
2023 Ron Vanderhoff
Cerastium glomeratum
2007 Carol W. Witham

Cercocarpus betuloides var. betuloides    Birch leaf mountain mahogany
native
Tree, Shrub

ROSACEAE

Cercocarpus betuloides var. betuloides
2019 Ron Vanderhoff
Cercocarpus betuloides var. betuloides
2019 Ron Vanderhoff
Cercocarpus betuloides var. betuloides
2016 Ron Vanderhoff

Chlorogalum pomeridianum var. pomeridianum    Common soaproot,  Wavyleaf soap plant
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum
2021 Sue Graue
Chlorogalum pomeridianum var. pomeridianum
2015 Sharon King & Randy Aeschliman
Chlorogalum pomeridianum var. pomeridianum
2018 Karen Scheuermann

Cicuta maculata var. angustifolia    Narrow leafed water hemlock,  Spotted water hemlock
native
Perennial herb

APIACEAE

Cicuta maculata var. angustifolia
2013 Steve Matson
Cicuta maculata var. angustifolia
2013 Steve Matson
Cicuta maculata var. angustifolia
2013 Steve Matson

Cirsium brevistylum    Clustered thistle,  Indian thistle
native
Perennial herb

ASTERACEAE

Cirsium brevistylum
2019 Steve Davison
Cirsium brevistylum
2018 Brian Charles
Cirsium brevistylum
2007 Neal Kramer

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
2017 James Bailey
Cirsium vulgare
2019 Gustavo Vasquez
Cirsium vulgare
2020 Bob Sweatt

Clarkia bottae    Botta's clarkia,  Punch bowl godetia
native
Annual herb

ONAGRACEAE

Clarkia bottae
2021 Amber Bedgood
Clarkia bottae
2020 Steve Laymon
Clarkia bottae
2020 Steve Laymon

Clarkia purpurea ssp. quadrivulnera    Four-spot,  Purple clarkia,  Purple godetia
native
Annual herb

ONAGRACEAE

Clarkia purpurea ssp. quadrivulnera
2014 Steve Matson
Clarkia purpurea ssp. quadrivulnera
2019 Joe Engelbrecht
Clarkia purpurea ssp. quadrivulnera
2021 R.A. Chasey

Clarkia unguiculata    Elegant clarkia,  Mountain garland,  Woodland clarkia
native
Annual herb

ONAGRACEAE

Clarkia unguiculata
2019 David Greenberger
Clarkia unguiculata
2021 Mike Russler
Clarkia unguiculata
2022 Suzanne L. Weakley

Claytonia gypsophiloides    Gypsum spring beauty,  Gypsum springbeauty
native
Annual herb

MONTIACEAE

Claytonia gypsophiloides
2021 Miao Ling He
Claytonia gypsophiloides
2019 William Lundgren
Claytonia gypsophiloides
2023 R.A. Chasey

Claytonia parviflora ssp. parviflora    Narrow leaved miner's lettuce,  Streambank springbeauty,  Utah miner s lettuce
native
Annual herb

MONTIACEAE

Claytonia parviflora ssp. parviflora
2017 Gary McDonald
Claytonia parviflora ssp. parviflora
2017 Gary McDonald
Claytonia parviflora ssp. parviflora
2017 Gary McDonald

Claytonia perfoliata ssp. perfoliata    Claytonia,  Miner's lettuce
native
Annual herb

MONTIACEAE

Claytonia perfoliata ssp. perfoliata
2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
2008 Steve Matson

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha
2016 Julie Watson
Clematis lasiantha
2016 Julie Ann Watson
Clematis lasiantha
2018 Steve Matson

Clematis ligusticifolia    Creek clematis,  Western white clematis,  Yerba de chiva
native
Perennial herb, Vine

RANUNCULACEAE

Clematis ligusticifolia
2018 Diane Etchison
Clematis ligusticifolia
2012 Steve Matson
Clematis ligusticifolia
2012 Steve Matson

Clinopodium douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Clinopodium douglasii
2019 Gary McDonald
Clinopodium douglasii
2012 Gary McDonald
Clinopodium douglasii
2012 Gary McDonald

Collinsia heterophylla var. heterophylla    Purple chinese houses,  Chinese-Houses
native
Annual herb

PLANTAGINACEAE

Collinsia heterophylla var. heterophylla
2022 R.A. Chasey
Collinsia heterophylla var. heterophylla
2019 Jacob Smith
Collinsia heterophylla var. heterophylla
2023 R.A. Chasey

Collinsia sparsiflora var. collina    Hillside collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia sparsiflora var. collina
2021 Helen Hancock
Collinsia sparsiflora var. collina
2022 Mike Russler
Collinsia sparsiflora var. collina
2022 Mike Russler

Collomia heterophylla    Variableleaf collomia,  Varied leaved collomia
native
Annual herb

POLEMONIACEAE

Collomia heterophylla
2018 Stacie Wolny
Collomia heterophylla
2017 Steve Matson
Collomia heterophylla
2018 Parker Santiago

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum
2019 James Bailey
Conium maculatum
2013 Toni Corelli
Conium maculatum
2016 Cynthia Powell

Cordylanthus rigidus ssp. rigidus    Rigid bird's beak,  Stiffbranch bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus rigidus ssp. rigidus
2021 Mike Russler
Cordylanthus rigidus ssp. rigidus
2021 Mike Russler
Cordylanthus rigidus ssp. rigidus
2021 Mike Russler

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

Corethrogyne filaginifolia
2022 Mike Russler
Corethrogyne filaginifolia
2018 Ron Vanderhoff
Corethrogyne filaginifolia
2021 Mike Russler

Cornus glabrata    Brown dogwood
native
Tree, Shrub

CORNACEAE

Cornus glabrata
2021 Donald Burk
Cornus glabrata
2020 Susan McDougall
Cornus glabrata
2019 Richard Spjut

Cornus sericea ssp. occidentalis    Western dogwood
native
Shrub

CORNACEAE

Cornus sericea ssp. occidentalis
2019 David Greenberger
Cornus sericea ssp. occidentalis
2018 Lynn Overtree
Cornus sericea ssp. occidentalis
2020 Susan McDougall

Cuscuta subinclusa    Canyon dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta subinclusa
2018 Ron Vanderhoff
Cuscuta subinclusa
2023 Cynthia Powell
Cuscuta subinclusa
2018 Ron Vanderhoff

Cynosurus echinatus    Annual dogtail,  Bristly dogstail grass,  Dogtail grass
invasive non-native
Annual grass

POACEAE

Cynosurus echinatus
2017 Gary McDonald
Cynosurus echinatus
2010 Julie A. Kierstead
Cynosurus echinatus
2022 Ron Vanderhoff

Cystopteris fragilis    Bladder fern,  Brittle bladder fern,  Brittle fern
native
Fern

CYSTOPTERIDACEAE

Cystopteris fragilis
2020 Bob Sweatt
Cystopteris fragilis
2021 Mike Russler
Cystopteris fragilis
2023 Ken-ichi Ueda

Dactylis glomerata    Orchard grass,  Orchardgrass
invasive non-native
Perennial grass

POACEAE

Dactylis glomerata
2018 Jennifer Mo
Dactylis glomerata
2021 R.A. Chasey
Dactylis glomerata
2017 Gary McDonald

Datisca glomerata    Durango root
native
Perennial herb

DATISCACEAE

Datisca glomerata
2019 Ron Vanderhoff
Datisca glomerata
2019 Diane Etchison
Datisca glomerata
2008 Keir Morse

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus
2019 Diane Etchison
Daucus pusillus
2022 David Wolfson
Daucus pusillus
2021 Ken Lunders

Deinandra fasciculata    Clustered tarweed
native
Annual herb

ASTERACEAE

Deinandra fasciculata
2022 David Strauch
Deinandra fasciculata
2017 Steve Matson
Deinandra fasciculata
2017 Steve Matson

Delphinium nudicaule    Canyon larkspur,  Red or Orange Larkspur,  Red larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium nudicaule
2006 Steve Matson
Delphinium nudicaule
2006 Steve Matson
Delphinium nudicaule
2021 Cara Wilcox

Delphinium parryi ssp. parryi    Parry's larkspur,  San bernardino larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium parryi ssp. parryi
2022 Mike Russler
Delphinium parryi ssp. parryi
2009 Barry Breckling
Delphinium parryi ssp. parryi
2018 Gary McDonald

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

Deschampsia elongata
2021 John Rawlings
Deschampsia elongata
2021 John Rawlings
Deschampsia elongata
2009 Adonis (Don) Tate

Diplacus aurantiacus var. aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus var. aurantiacus
2023 Bill Kress
Diplacus aurantiacus var. aurantiacus
2019 Stacie Wolny
Diplacus aurantiacus var. aurantiacus
2019 Gary McDonald

native
Perennial herb

THEMIDACEAE

Dipterostemon capitatus ssp. Capitatus
2023 Alaine Arslan
Dipterostemon capitatus ssp. Capitatus
2016 Steve Matson
Dipterostemon capitatus ssp. Capitatus
2008 Steve Matson

native
Perennial herb

ROSACEAE

Drymocallis glandulosa var. wrangelliana
2020 Mary Conway
Drymocallis glandulosa var. wrangelliana
2017 Gary McDonald
Drymocallis glandulosa var. wrangelliana
2017 Gary McDonald

Dryopteris arguta    California wood fern,  Coastal wood fern,  Shield fern
native
Fern

DRYOPTERIDACEAE

Dryopteris arguta
2018 James Gonsman
Dryopteris arguta
2019 Rebecca Crowe
Dryopteris arguta
2023 Julia Markey

Dudleya abramsii ssp. bettinae    San Luis Obispo serpentine dudleya
rare native
Perennial herb

CRASSULACEAE

Dudleya abramsii ssp. bettinae
2011 Chris Winchell
Dudleya abramsii ssp. bettinae
2011 Chris Winchell
Dudleya abramsii ssp. bettinae
2011 Chris Winchell

Dudleya lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

Dudleya lanceolata
2015 Dee Warenycia
Dudleya lanceolata
2020 Steven M Norris
Dudleya lanceolata
2020 Steven M Norris

Eleocharis macrostachya    Common spikerush,  Creeping spike rush,  Pale spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis macrostachya
2023 Ron Vanderhoff
Eleocharis macrostachya
2023 Ron Vanderhoff
Eleocharis macrostachya
2003 Steve Matson

Eleocharis parishii    Parish's spike rush,  Parish's spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis parishii
2014 Steve Matson
Eleocharis parishii
2014 Steve Matson
Eleocharis parishii
2018 Rachelle Gray

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

Elymus condensatus
2020 Ron Vanderhoff
Elymus condensatus
2022 John Rawlings
Elymus condensatus
2020 Diane Etchison

Elymus glaucus ssp. virescens    Blue wildrye,  Virginia wildrye
native
Perennial grass

POACEAE

Elymus glaucus ssp. virescens
2017 Ron Vanderhoff
Elymus glaucus ssp. virescens
2012 Toni Corelli
Elymus glaucus ssp. virescens
2012 Toni Corelli

Elymus multisetus    Big squirreltail grass
native
Perennial grass

POACEAE

Elymus multisetus
2019 David popp
Elymus multisetus
2019 Ron Vanderhoff
Elymus multisetus
2021 Denise Defreese

Emmenanthe penduliflora var. penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

HYDROPHYLLACEAE

Emmenanthe penduliflora var. penduliflora
2018 Ron Vanderhoff
Emmenanthe penduliflora var. penduliflora
2015 Barry Thomson
Emmenanthe penduliflora var. penduliflora
2014 Ruth Ann Pearsons

Epilobium brachycarpum    Annual fireweed,  Autumn willowweed,  Panicled willow herb
native
Annual herb

ONAGRACEAE

Epilobium brachycarpum
2015 Ron Vanderhoff
Epilobium brachycarpum
2019 Ramona Robison
Epilobium brachycarpum
2020 Ron Vanderhoff

Epilobium canum ssp. canum    California fuchsia,  Hummingbird trumpet
native
Perennial herb

ONAGRACEAE

Epilobium canum ssp. canum
2018 Ron Vanderhoff
Epilobium canum ssp. canum
2018 Ron Vanderhoff
Epilobium canum ssp. canum
2018 Ron Vanderhoff

Epilobium ciliatum ssp. watsonii    Fringed willowherb,  Watson's willowherb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. watsonii
2012 BOB CASE
Epilobium ciliatum ssp. watsonii
2012 BOB CASE
Epilobium ciliatum ssp. watsonii
2021 Jamie Spielmann

Epipactis gigantea    Giant helleborine,  Stream orchid,  Stream orchis
native
Perennial herb

ORCHIDACEAE

Epipactis gigantea
2016 Barry Rice
Epipactis gigantea
2020 Ron Vanderhoff
Epipactis gigantea
2018 Anna Sereno

Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

Equisetum hyemale ssp. affine
2013 Michael Mitchell
Equisetum hyemale ssp. affine
2021 Ron Vanderhoff
Equisetum hyemale ssp. affine
2013 Michael Mitchell

Equisetum telmateia ssp. braunii    Giant horse tail,  Giant horsetail
native
Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii
2011 Toni Corelli
Equisetum telmateia ssp. braunii
2021 Bryant Baker
Equisetum telmateia ssp. braunii
2021 Bryant Baker

Erigeron foliosus var. foliosus    Leafy fleabane,  Thread stemmed fleabane
native
Perennial herb, Shrub

ASTERACEAE

Erigeron foliosus var. foliosus
2023 Ron Vanderhoff
Erigeron foliosus var. foliosus
2021 Jacob Martin
Erigeron foliosus var. foliosus
2022 Ron Vanderhoff

Erigeron philadelphicus var. philadelphicus    Philadelphia fleabane
native
Perennial herb

ASTERACEAE

Erigeron philadelphicus var. philadelphicus
2021 R.A. Chasey
Erigeron philadelphicus var. philadelphicus
2015 Neal Kramer
Erigeron philadelphicus var. philadelphicus
2021 R.A. Chasey

Eriogonum elongatum var. elongatum    Long stemmed buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum elongatum var. elongatum
2017 Ron Vanderhoff
Eriogonum elongatum var. elongatum
2019 Aaron Echols
Eriogonum elongatum var. elongatum
2021 Mike Russler

Eriogonum fasciculatum var. fasciculatum    California buckwheat,  Eastern mojave buckwheat
native
Shrub

POLYGONACEAE

Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff
Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff
Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff

Eriogonum nudum var. pubiflorum    Hairy flowered buckwheat,  Naked buckwheat,  Fremont's Wild Buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum nudum var. pubiflorum
2006 Steve Matson
Eriogonum nudum var. pubiflorum
2011 Steve Matson
Eriogonum nudum var. pubiflorum
2011 Steve Matson

Eriogonum parvifolium    Dune eriogonum,  Sea cliff buckwheat,  Seacliff buckwheat
native
Shrub

POLYGONACEAE

Eriogonum parvifolium
2022 Mary Conway
Eriogonum parvifolium
2020 Ron Vanderhoff
Eriogonum parvifolium
2021 Ron Vanderhoff

Eriophyllum confertiflorum var. confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum
2013 James Gonsman
Eriophyllum confertiflorum var. confertiflorum
2020 Mary Conway
Eriophyllum confertiflorum var. confertiflorum
2020 Ron Vanderhoff

Erodium cicutarium    Coastal heron's bill,  Red stemmed filaree,  Redstem stork's bill
invasive non-native
Annual herb

GERANIACEAE

Erodium cicutarium
2022 Steve Matson
Erodium cicutarium
2020 Julia Markey
Erodium cicutarium
2022 Steve Matson

Eschscholzia caespitosa    Foothill poppy,  Tufted eschscholzia,  Tufted poppy
native
Annual herb

PAPAVERACEAE

Eschscholzia caespitosa
2019 Ron Vanderhoff
Eschscholzia caespitosa
2021 Lisa Berry
Eschscholzia caespitosa
2022 Cynthia Powell

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica
2019 Dee Shea Himes
Eschscholzia californica
2021 Ron Vanderhoff
Eschscholzia californica
2019 Amy Rapport

Eucalyptus globulus    Blue gum,  Tasmanian bluegum
invasive non-native
Tree

MYRTACEAE

Eucalyptus globulus
2020 Jennifer Mo
Eucalyptus globulus
2022 Ryan O'Dell
Eucalyptus globulus
2021 Cynthia Powell

Euphorbia crenulata    Chinese caps,  Chinesecaps
native
Annual, Perennial herb

EUPHORBIACEAE

Euphorbia crenulata
2008 Steve Matson
Euphorbia crenulata
2014 Jim Moore
Euphorbia crenulata
2008 Steve Matson

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia spathulata
2021 R.A. Chasey
Euphorbia spathulata
2014 Steve Matson
Euphorbia spathulata
2014 Steve Matson

Eurybia radulina    Roughleaf aster
native
Perennial herb

ASTERACEAE

Eurybia radulina
2022 Suzanne L. Weakley
Eurybia radulina
2022 Bob Sweatt
Eurybia radulina
2022 Bob Sweatt

Euthamia occidentalis    Western flat topped goldenrod,  Western goldenrod,  Western goldentop
native
Perennial herb

ASTERACEAE

Euthamia occidentalis
2021 Steve Matson
Euthamia occidentalis
2018 Ron Vanderhoff
Euthamia occidentalis
2018 Ron Vanderhoff

Festuca bromoides    Brome fescue
non-native
Annual grass

POACEAE

Festuca bromoides
2022 Diana Wahl
Festuca bromoides
2021 Toni Corelli
Festuca bromoides
2021 David popp

Festuca californica    California fescue
native
Perennial grass

POACEAE

Festuca californica
2019 Justin Luong
Festuca californica
2022 Justin Luong
Festuca californica
2012 Aaron Arthur

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

Festuca microstachys
2022 Aaron Sunshine
Festuca microstachys
2011 Steve Matson
Festuca microstachys
2011 Steve Matson

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Festuca myuros
2021 Aaron Echols
Festuca myuros
2021 Ron Vanderhoff
Festuca myuros
2022 John Rawlings

Foeniculum vulgare    Biscuit root,  Sweet fennel
invasive non-native
Perennial herb

APIACEAE

Foeniculum vulgare
2019 Nicole Leatherman
Foeniculum vulgare
2019 Ron Vanderhoff
Foeniculum vulgare
2018 Henry DiRocco

Fragaria vesca    California strawberry,  Wild strawberry,  Wood strawberry
native
Perennial herb

ROSACEAE

Fragaria vesca
2020 Cara Wilcox
Fragaria vesca
2017 James Gonsman
Fragaria vesca
2022 Dee Shea Himes

Frangula californica ssp. californica    California coffeeberry
native
Shrub

RHAMNACEAE

Frangula californica ssp. californica
2015 Steve Matson
Frangula californica ssp. californica
2015 Steve Matson
Frangula californica ssp. californica
2019 Ron Vanderhoff

Fritillaria affinis    Checker lily,  Mission bells
native
Perennial herb (bulb)

LILIACEAE

Fritillaria affinis
2017 Steve Matson
Fritillaria affinis
2008 Steve Matson
Fritillaria affinis
2020 Karen Swift

Galium andrewsii    Needlemat galium,  Phlox leaved bedstraw,  Phloxleaf bedstraw
native
Perennial herb

RUBIACEAE

Galium andrewsii
2022 Mike Russler
Galium andrewsii
2019 Marisa Persaud
Galium andrewsii
2022 Mike Russler

Galium aparine    Cleavers,  Common bedstraw,  Goose grass
native
Annual herb

RUBIACEAE

Galium aparine
2020 Ron Vanderhoff
Galium aparine
2005 Steve Matson
Galium aparine
2020 Ron Vanderhoff

Galium parisiense    Wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium parisiense
2021 Al Keuter
Galium parisiense
2020 Ron Vanderhoff
Galium parisiense
2020 David popp

Galium porrigens var. porrigens    Climbing bedstraw,  Graceful bedstraw,  Oval leaved bedstraw
native
Vine, Shrub

RUBIACEAE

Galium porrigens var. porrigens
2022 Ron Vanderhoff
Galium porrigens var. porrigens
2022 Ron Vanderhoff
Galium porrigens var. porrigens
2022 Ron Vanderhoff

Garrya elliptica    Coast silk tassel,  Coast silktassel,  Silk tassel bush or quinine bush
native
Tree, Shrub

GARRYACEAE

Garrya elliptica
2004 Michael Charters
Garrya elliptica
2020 John Rawlings
Garrya elliptica
2020 Eliezer Margolis

Geranium dissectum    Cranesbill,  Cut leaved geranium,  Cutleaf geranium
invasive non-native
Annual herb

GERANIACEAE

Geranium dissectum
2021 Al Keuter
Geranium dissectum
2023 Ron Vanderhoff
Geranium dissectum
2014 Bryan Derr

Geranium molle    Crane's bill geranium,  Dove's foot geranium,  Dovefoot geranium
non-native
Annual, Perennial herb

GERANIACEAE

Geranium molle
2008 Steve Matson
Geranium molle
2008 Steve Matson
Geranium molle
2022 Elizabeth Harreschou

Gilia capitata    Blue field gilia,  Bluehead gilia
native
Annual herb

POLEMONIACEAE

Gilia capitata
2011 Gerald Carr
Gilia capitata
2011 Gerald Carr
Gilia capitata
2011 Gerald Carr

Gilia clivorum    Many stemmed gilia,  Purple spot gilia,  Purplespot gilia
native
Annual herb

POLEMONIACEAE

Gilia clivorum
2013 Gary McDonald
Gilia clivorum
2013 Gary McDonald
Gilia clivorum
2013 Gary McDonald

Grindelia hirsutula    Gumweed,  Hairy gumweed
native
Perennial herb

ASTERACEAE

Grindelia hirsutula
2020 stephen rosenthal
Grindelia hirsutula
2015 Ken Lunders
Grindelia hirsutula
2020 R.A. Chasey

Hazardia squarrosa    Saw toothed goldenbush,  Sawtooth goldenbush
native
Shrub

ASTERACEAE

Hazardia squarrosa
2018 Mary Conway
Hazardia squarrosa
2019 Bonnie Nickel
Hazardia squarrosa
2022 Ron Vanderhoff

Helenium bigelovii    Bigelow's sneezeweed,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium bigelovii
2020 Rebecca Schoenenberger
Helenium bigelovii
2019 Bryant Baker
Helenium bigelovii
2019 Bob Sweatt

Hemizonia congesta ssp. luzulifolia    Hayfield tarweed,  Woodrush tarweed
native
Annual herb

ASTERACEAE

Hemizonia congesta ssp. luzulifolia
2013 Arcangelo Wessells
Hemizonia congesta ssp. luzulifolia
2022 R.A. Chasey
Hemizonia congesta ssp. luzulifolia
2022 R.A. Chasey

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

Heteromeles arbutifolia
2015 James Gonsman
Heteromeles arbutifolia
2017 Gary McDonald
Heteromeles arbutifolia
2017 Gary McDonald

Hieracium albiflorum    White flowered hawkweed,  White hawkweed
native
Perennial herb

ASTERACEAE

Hieracium albiflorum
2003 Steve Matson
Hieracium albiflorum
2021 Doug Allshouse
Hieracium albiflorum
2020 Bob Sweatt

Hieracium argutum    Southern hawkweed
native
Perennial herb

ASTERACEAE

Hieracium argutum
2015 Justin Luong
Hieracium argutum
2015 Justin Luong
Hieracium argutum
2020 David Greenberger

Hirschfeldia incana    Mediterranean hoary mustard,  Short podded mustard,  Summer mustard
invasive non-native
Perennial herb

BRASSICACEAE

Hirschfeldia incana
2017 Gary McDonald
Hirschfeldia incana
2017 Gary McDonald
Hirschfeldia incana
2022 Ron Vanderhoff

Hoita macrostachya    California hemp,  Large leather root
native
Perennial herb

FABACEAE

Hoita macrostachya
2021 Jamie Spielmann
Hoita macrostachya
2009 Lynn Watson
Hoita macrostachya
2021 Jamie Spielmann

Hoita orbicularis    Creeping leather root,  Round leaved psoralea,  Roundleaf leather root
native
Perennial herb

FABACEAE

Hoita orbicularis
2015 Tim Miller
Hoita orbicularis
2018 Hunter Breck
Hoita orbicularis
2019 Shane Hanofee

native
Shrub

ROSACEAE

Holodiscus discolor var. discolor
2022 R.A. Chasey
Holodiscus discolor var. discolor
2021 R.A. Chasey
Holodiscus discolor var. discolor
2020 Ron Vanderhoff

Hordeum marinum ssp. gussoneanum    Barley,  Mediterranean barley
non-native
Annual grass

POACEAE

Hordeum marinum ssp. gussoneanum
2018 Carolyn
Hordeum marinum ssp. gussoneanum
2020 Paul Aigner
Hordeum marinum ssp. gussoneanum
2017 Toni Corelli

Hordeum murinum ssp. leporinum    Farmer's foxtail,  Foxtail barley,  Hare barley
non-native
Annual grass

POACEAE

Hordeum murinum ssp. leporinum
2022 Ron Vanderhoff
Hordeum murinum ssp. leporinum
2021 Al Keuter
Hordeum murinum ssp. leporinum
2021 Ron Vanderhoff

Hypochaeris glabra    Smooth cat's ear
invasive non-native
Annual herb

ASTERACEAE

Hypochaeris glabra
2020 Ron Vanderhoff
Hypochaeris glabra
2017 Gary McDonald
Hypochaeris glabra
2019 Ron Vanderhoff

Juglans hindsii    Northern california black walnut
rare native
Tree

JUGLANDACEAE

Juglans hindsii
2016 Steve Matson
Juglans hindsii
2016 Steve Matson
Juglans hindsii
2018 Ron Vanderhoff

Juncus balticus ssp. ater    Baltic rush
native
Perennial grasslike herb

JUNCACEAE

Juncus balticus ssp. ater
2015 Steve Matson
Juncus balticus ssp. ater
2015 Steve Matson
Juncus balticus ssp. ater
2015 Steve Matson

Juncus bufonius var. congestus    Clustered toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius var. congestus
2022 R.A. Chasey
Juncus bufonius var. congestus
2009 Neal Kramer
Juncus bufonius var. congestus
2009 Neal Kramer

Juncus occidentalis    Rush,  Slender juncus,  Western rush
native
Perennial grasslike herb

JUNCACEAE

Juncus occidentalis
2021 Toni Corelli
Juncus occidentalis
2021 Dick Rawson
Juncus occidentalis
2021 Dick Rawson

Juncus patens    Common rush,  Spreading rush
native
Perennial grasslike herb

JUNCACEAE

Juncus patens
2022 R.A. Chasey
Juncus patens
2022 R.A. Chasey
Juncus patens
2008 Neal Kramer

Juncus xiphioides    Iris leaved rush,  Irisleaf rush
native
Perennial grasslike herb

JUNCACEAE

Juncus xiphioides
2016 Erik Larsen
Juncus xiphioides
2017 Ron Vanderhoff
Juncus xiphioides
2023 R.A. Chasey

Koeleria macrantha    June grass,  Prairie junegrass
native
Perennial grass

POACEAE

Koeleria macrantha
2020 Matt Berry
Koeleria macrantha
2015 Steve Matson
Koeleria macrantha
2015 Steve Matson

Lactuca serriola    Prickly lettuce,  Prickly wild lettuce
non-native
Annual herb

ASTERACEAE

Lactuca serriola
2017 Gary McDonald
Lactuca serriola
2020 Mark Kircher
Lactuca serriola
2009 Neal Kramer

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

Lagophylla ramosissima
2019 Diane Etchison
Lagophylla ramosissima
2021 Dee Shea Himes
Lagophylla ramosissima
2020 Ken Hickman

Lathyrus jepsonii var. californicus    California tule pea
native
Perennial herb

FABACEAE

Lathyrus jepsonii var. californicus
2016 Amanda Garcia
Lathyrus jepsonii var. californicus
2011 Steven Perry
Lathyrus jepsonii var. californicus
2007 Neal Kramer

Lathyrus vestitus var. vestitus    Common pacific pea,  Hillside pea,  Wild sweetpea
native
Perennial herb

FABACEAE

Lathyrus vestitus var. vestitus
2018 Ron Vanderhoff
Lathyrus vestitus var. vestitus
2022 Charles Russell
Lathyrus vestitus var. vestitus
2015 Chris Jaster

Layia gaillardioides    Woodland layia,  Woodland tidytips
native
Annual herb

ASTERACEAE

Layia gaillardioides
2022 John Rawlings
Layia gaillardioides
2019 John Rawlings
Layia gaillardioides
2022 Ryan O'Dell

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

Layia platyglossa
2015 Amy Rapport
Layia platyglossa
2019 Jenna T. B. Ekwealor
Layia platyglossa
2017 Chris Mo

Lemna minor    Smaller duckweed
native
Perennial herb

ARACEAE

Lemna minor
2019 Ron Vanderhoff
Lemna minor
2019 Ron Vanderhoff
Lemna minor
2019 Ron Vanderhoff

Lemna minuta    Least duckweed
native
Perennial herb

ARACEAE

Lemna minuta
2022 Ron Vanderhoff
Lemna minuta
2020 Ron Vanderhoff
Lemna minuta
2019 Ron Vanderhoff

Lepechinia calycina    White pitcher sage,  Woodbalm, pitcher sage
native
Shrub

LAMIACEAE

Lepechinia calycina
2019 Stacie Wolny
Lepechinia calycina
2020 Amy Rapport
Lepechinia calycina
2020 Mary Conway

Lithophragma affine    Common woodland star,  San francisco woodland star,  Woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma affine
2017 Bonnie Nickel
Lithophragma affine
2022 Mike Russler
Lithophragma affine
2019 Diane Etchison

Lithophragma heterophyllum    Hill star,  Hillside woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma heterophyllum
2019 David Greenberger
Lithophragma heterophyllum
2019 David Magney
Lithophragma heterophyllum
2018 Ken Lunders

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

Logfia gallica
2015 jamie smith
Logfia gallica
2013 Keir Morse
Logfia gallica
2017 Barbara Boethling

Lomatium californicum    California lomatium,  Celery weed
native
Perennial herb

APIACEAE

Lomatium californicum
2022 R.A. Chasey
Lomatium californicum
2022 Richard Sullivan
Lomatium californicum
2021 Julie A. Kierstead

Lonicera hispidula    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula
2019 Stacie Wolny
Lonicera hispidula
2019 Stacie Wolny
Lonicera hispidula
2021 Bryant Baker

Lupinus albifrons    Silver bush lupine,  Silver lupine
native
Shrub

FABACEAE

Lupinus albifrons
2022 Mike Russler
Lupinus albifrons
2022 Steve Conger
Lupinus albifrons
2022 Ron Vanderhoff

Lupinus bicolor    Annual lupine,  Bicolored lupine,  Miniature lupine
native
Annual, Perennial herb

FABACEAE

Lupinus bicolor
2022 Mike Russler
Lupinus bicolor
2022 Mike Russler
Lupinus bicolor
2019 Gary McDonald

Lupinus formosus var. robustus    Giant western lupine,  Summer lupine
native
Perennial herb

FABACEAE

Lupinus formosus var. robustus
2014 Bill Thiessen
Lupinus formosus var. robustus
2011 Barry Breckling
Lupinus formosus var. robustus
1995 Saint Mary's College of California

Lupinus latifolius var. latifolius    Broad leaf lupine
native
Perennial herb

FABACEAE

Lupinus latifolius var. latifolius
2021 John Rawlings
Lupinus latifolius var. latifolius
2020 Paul Aigner
Lupinus latifolius var. latifolius
2009 Thomas Stoughton

Lupinus succulentus    Arroyo lupine,  Hollowleaf annual lupine,  Succulent lupine
native
Annual herb

FABACEAE

Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny

Luzula macrantha   


Lysimachia latifolia    Pacific starflower
native
Perennial herb

MYRSINACEAE

Lysimachia latifolia
2018 Blair Pubols
Lysimachia latifolia
2014 James Gonsman
Lysimachia latifolia
2008 Steve Matson

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

Madia elegans
2021 Jamie Spielmann
Madia elegans
2021 Mike Russler
Madia elegans
2020 Diane Etchison

Madia gracilis    Grassy tarweed,  Gumweed madia,  Slender tarweed
native
Annual herb

ASTERACEAE

Madia gracilis
2019 Ron Vanderhoff
Madia gracilis
2021 Amber Bedgood
Madia gracilis
2019 Ron Vanderhoff

Madia sativa    Chile tarweed,  Coast tarweed,  Coastal tarweed
native
Annual herb

ASTERACEAE

Madia sativa
2013 Ron Vanderhoff
Madia sativa
2021 David Wolfson
Madia sativa
2021 Zoya Akulova-Barlow

Mahonia pinnata ssp. pinnata    California barberry,  Coast barberry,  Shiny leaf barberry
native
Shrub

BERBERIDACEAE

Mahonia pinnata ssp. pinnata
2022 Alice Cummings
Mahonia pinnata ssp. pinnata
2021 Ron Vanderhoff
Mahonia pinnata ssp. pinnata
2021 R.A. Chasey

Maianthemum racemosum    Feathery false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum racemosum
2020 Bob Sweatt
Maianthemum racemosum
2018 Steve Matson
Maianthemum racemosum
2019 Stacie Wolny

Maianthemum stellatum    Starry false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum stellatum
2021 Cyril Guyot
Maianthemum stellatum
2003 Steve Matson
Maianthemum stellatum
2020 Susan McDougall

Malacothrix saxatilis var. commutata    Cliff desertdandelion,  South coast range malacothrix
native
Perennial herb

ASTERACEAE

Malacothrix saxatilis var. commutata
2016 George Butterworth
Malacothrix saxatilis var. commutata
2016 George Butterworth
Malacothrix saxatilis var. commutata
2003 Christopher L. Christie

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabacea
2018 Karen Scheuermann
Marah fabacea
2021 Cyril Guyot
Marah fabacea
2018 Gary McDonald

Medicago polymorpha    Bur clover,  Bur medic,  California burclover
invasive non-native
Annual herb

FABACEAE

Medicago polymorpha
2019 Gary McDonald
Medicago polymorpha
2019 Gary McDonald
Medicago polymorpha
2019 Gary McDonald

Melica californica    California melicgrass
native
Perennial grass

POACEAE

Melica californica
2023 John Rawlings
Melica californica
2021 John Rawlings
Melica californica
2022 John Rawlings

Melica imperfecta    California melic,  Coast range melic,  Small flowered melica
native
Perennial grass

POACEAE

Melica imperfecta
2020 Ron Vanderhoff
Melica imperfecta
2021 Ron Vanderhoff
Melica imperfecta
2020 Ron Vanderhoff

Melilotus albus    White sweetclover
non-native
Annual, Biennial herb

FABACEAE

Melilotus albus
2021 Ron Vanderhoff
Melilotus albus
2020 Bob Sweatt
Melilotus albus
2022 Ron Vanderhoff

Melilotus indicus    Annual yellow sweetclover,  Sourclover
non-native
Annual herb

FABACEAE

Melilotus indicus
2019 Randy Huey
Melilotus indicus
2019 Randy Huey
Melilotus indicus
2017 Rosalie Benitez

Mentha pulegium    Pennyroyal
invasive non-native
Perennial herb

LAMIACEAE

Mentha pulegium
2014 James Gonsman
Mentha pulegium
2022 R.A. Chasey
Mentha pulegium
2015 Chris Jaster

Mentha suaveolens    Apple mint
non-native
Perennial herb

LAMIACEAE

Mentha suaveolens
2018 George Butterworth
Mentha suaveolens
2021 Ron Vanderhoff
Mentha suaveolens
2018 George Butterworth

Micranthes californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Micranthes californica
2020 Cara Wilcox
Micranthes californica
2016 Steve Matson
Micranthes californica
2016 Steve Matson

Micropus californicus var. californicus    Q tips,  Slender cottonweed
native
Annual herb

ASTERACEAE

Micropus californicus var. californicus
2006 Steve Matson
Micropus californicus var. californicus
2021 Ron Vanderhoff
Micropus californicus var. californicus
null

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

Microsteris gracilis
2021 Mike Russler
Microsteris gracilis
2003 Steve Matson
Microsteris gracilis
2003 Steve Matson

Monardella villosa ssp. obispoensis    San luis obispo coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa ssp. obispoensis
2019 David Wolfson
Monardella villosa ssp. obispoensis
2019 David Wolfson
Monardella villosa ssp. obispoensis
2020 Dee Shea Himes

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

Nasturtium officinale
2019 Patrick Furtado
Nasturtium officinale
2016 Joan Hampton
Nasturtium officinale
2019 Diane Etchison

Navarretia mitracarpa    Paso robles navarretia
native
Annual herb

POLEMONIACEAE

Navarretia mitracarpa
2022 Mike Russler
Navarretia mitracarpa
2022 Mike Russler
Navarretia mitracarpa
2019 David Greenberger

Nicotiana acuminata var. multiflora    Many flowered tobacco,  Manyflower tobacco,  Tobacco
non-native
Annual herb

SOLANACEAE

Nicotiana acuminata var. multiflora
2022 Cindy Roessler
Nicotiana acuminata var. multiflora
2022 Paul Watts
Nicotiana acuminata var. multiflora
2009 Keir Morse

Nicotiana glauca    Tree tobacco
invasive non-native
Tree, Shrub

SOLANACEAE

Nicotiana glauca
2019 Jean B Henney
Nicotiana glauca
2022 Mark Bowler
Nicotiana glauca
2019 Nicole Leatherman

Nicotiana quadrivalvis    Indian tobacco
native
Annual herb

SOLANACEAE

Nicotiana quadrivalvis
2019 Michael Mitchell
Nicotiana quadrivalvis
2019 Michael Mitchell
Nicotiana quadrivalvis
2016 Lesley Hunt

native
Tree, Shrub

FAGACEAE

Notholithocarpus densiflorus var. densiflorus
2020 R.A. Chasey
Notholithocarpus densiflorus var. densiflorus
2022 David popp
Notholithocarpus densiflorus var. densiflorus
2020 Susan McDougall

Oemleria cerasiformis    Indian plum,  Oso berry
native
Shrub

ROSACEAE

Oemleria cerasiformis
2019 Margo Bors
Oemleria cerasiformis
2019 Stacie Wolny
Oemleria cerasiformis
2023 David Wolfson

Osmorhiza berteroi    Sweet cicely
native
Perennial herb

APIACEAE

Osmorhiza berteroi
2021 Mike Russler
Osmorhiza berteroi
2020 Bob Sweatt
Osmorhiza berteroi
2020 Bob Sweatt

Osmorhiza brachypoda    California sweet cicely,  California sweetcicely
native
Perennial herb

APIACEAE

Osmorhiza brachypoda
2017 Aaron Echols
Osmorhiza brachypoda
2020 Ron Vanderhoff
Osmorhiza brachypoda
2022 Ron Vanderhoff

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

Paeonia californica
2021 Ron Vanderhoff
Paeonia californica
2022 Ron Vanderhoff
Paeonia californica
2019 Susan McDougall

Pectocarya pusilla    Little gruvelia
native
Annual herb

BORAGINACEAE

Pectocarya pusilla
2022 Steve Matson
Pectocarya pusilla
2022 Steve Matson
Pectocarya pusilla
2022 Steve Matson

Pedicularis densiflora ssp. densiflora    Warrior's plume,  Indian warrior
native
Perennial herb

OROBANCHACEAE

Pedicularis densiflora ssp. densiflora
2015 Dee Warenycia
Pedicularis densiflora ssp. densiflora
2019 Jason Mills
Pedicularis densiflora ssp. densiflora
2017 Joshua Borkowski

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

Pellaea andromedifolia
2021 Mike Russler
Pellaea andromedifolia
2021 Steve Matson
Pellaea andromedifolia
2020 Tina Curiel

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis
2019 James Gonsman
Pentagramma triangularis ssp. triangularis
2008 Steve Matson
Pentagramma triangularis ssp. triangularis
2008 Steve Matson

Phacelia imbricata ssp. imbricata    Imbricate Phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia imbricata ssp. imbricata
2022 R.A. Chasey
Phacelia imbricata ssp. imbricata
2022 Robert Steers
Phacelia imbricata ssp. imbricata
2022 Robert Steers

Phacelia malvifolia    Stinging phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia malvifolia
2018 Michael Mitchell
Phacelia malvifolia
2022 Jennifer Mo
Phacelia malvifolia
2013 Toni Corelli

Phacelia nemoralis ssp. nemoralis    Woods phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia nemoralis ssp. nemoralis
2020 Ken Hickman
Phacelia nemoralis ssp. nemoralis
2016 Glen Schneider
Phacelia nemoralis ssp. nemoralis
2014 Genevieve K. Walden

Phalaris aquatica    Bulbous canarygrass,  Harding grass
invasive non-native
Perennial grass

POACEAE

Phalaris aquatica
2018 Thomas Reyes
Phalaris aquatica
2021 Lenihan Mazur
Phalaris aquatica
2022 Lenihan Mazur

Physocarpus capitatus    Ninebark,  Pacific ninebark,  Western ninebark
native
Shrub

ROSACEAE

Physocarpus capitatus
2020 Helen Hancock
Physocarpus capitatus
2018 Julian Geoghegan
Physocarpus capitatus
2019 Julie Kierstead Nelson

Pickeringia montana var. montana    Montana chaparral pea
native
Shrub

FABACEAE

Pickeringia montana var. montana
2015 James Gonsman
Pickeringia montana var. montana
2022 R.A. Chasey
Pickeringia montana var. montana
2020 Susan McDougall

Plagiobothrys nothofulvus    Rusty haired popcorn flower,  Rusty popcorn flower,  Rusty popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys nothofulvus
2019 Ron Vanderhoff
Plagiobothrys nothofulvus
2019 Ron Vanderhoff
Plagiobothrys nothofulvus
2013 Jean Pawek

Plantago lanceolata    English plantain,  Narrow leaved plantain,  Ribgrass
invasive non-native
Perennial herb

PLANTAGINACEAE

Plantago lanceolata
2017 Gary McDonald
Plantago lanceolata
2019 Joe Engelbrecht
Plantago lanceolata
2021 Ken Lunders

Platanthera michaelii   


Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

Platanus racemosa
2021 Ron Vanderhoff
Platanus racemosa
2019 Rachelle Gray
Platanus racemosa
2018 Ron Vanderhoff

Plectritis ciliosa    Long spurred plectritis,  Longspur seablush
native
Annual herb

VALERIANACEAE

Plectritis ciliosa
2022 Steve Matson
Plectritis ciliosa
2005 Steve Matson
Plectritis ciliosa
2022 Steve Matson

Plectritis congesta ssp. brachystemon    Shortspur seablush
native
Annual herb

VALERIANACEAE

Plectritis congesta ssp. brachystemon
2023 Catherine Chang
Plectritis congesta ssp. brachystemon
2005 Steve Matson
Plectritis congesta ssp. brachystemon
2018 Gail Johnson

Pluchea odorata var. odorata    Salt marsh fleabane
native
Annual, Perennial herb

ASTERACEAE

Pluchea odorata var. odorata
2018 Ron Vanderhoff
Pluchea odorata var. odorata
2018 Ron Vanderhoff
Pluchea odorata var. odorata
2019 Jennifer Mo

Poa annua    Annual blue grass,  Annual bluegrass
non-native
Annual grass

POACEAE

Poa annua
2021 Ron Vanderhoff
Poa annua
2022 John Rawlings
Poa annua
2015 Richard Chasey

Poa howellii    Howell's blue grass,  Howell's bluegrass
native
Annual grass

POACEAE

Poa howellii
2018 Ken Hickman
Poa howellii
2020 Ken Hickman
Poa howellii
2020 Ken Hickman

Poa secunda var. scabrella    One sided blue grass,  Pine bluegrass,  Sandberg bluegrass
native
Perennial grass

POACEAE

Poa secunda var. scabrella
2019 Rachelle Gray
Poa secunda var. scabrella
2019 Paul Aigner
Poa secunda var. scabrella
2020 Paul Aigner

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

Polypodium californicum
2020 Ron Vanderhoff
Polypodium californicum
2021 Ron Vanderhoff
Polypodium californicum
2022 Suzanne L. Weakley

Polypodium calirhiza    Acrid fern,  Licorice fern,  Nested polypody
native
Fern

POLYPODIACEAE

Polypodium calirhiza
2022 R.A. Chasey
Polypodium calirhiza
2015 James Gonsman
Polypodium calirhiza
2020 Susan McDougall

Polypogon interruptus    Ditch beard grass,  Ditch rabbitsfoot grass
non-native
Perennial grass

POACEAE

Polypogon interruptus
2022 John Rawlings
Polypogon interruptus
2022 John Rawlings
Polypogon interruptus
2020 Ron Vanderhoff

Polypogon monspeliensis    Annual beard grass,  Rabbitsfoot grass
invasive non-native
Annual grass

POACEAE

Polypogon monspeliensis
2020 Edith Allen
Polypogon monspeliensis
2021 Ron Vanderhoff
Polypogon monspeliensis
2014 Steve Matson

Polypogon viridis    Water beard grass
non-native
Perennial grass

POACEAE

Polypogon viridis
2022 Ron Vanderhoff
Polypogon viridis
2021 Ron Vanderhoff
Polypogon viridis
2019 Friends of Five Creeks volunteers

Polystichum munitum    Western sword fern,  Western swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum munitum
2021 Julie A. Kierstead
Polystichum munitum
2022 Jerry Murray
Polystichum munitum
2011 Toni Corelli

Populus fremontii ssp. fremontii    Fremont cottonwood
native
Tree

SALICACEAE

Populus fremontii ssp. fremontii
2019 Stella Yang
Populus fremontii ssp. fremontii
2020 David popp
Populus fremontii ssp. fremontii
2020 Susan McDougall

Populus trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus trichocarpa
2021 Ron Vanderhoff
Populus trichocarpa
2012 Steve Matson
Populus trichocarpa
2012 Steve Matson

native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton foliosus ssp. foliosus
2020 Ron Vanderhoff
Potamogeton foliosus ssp. foliosus
2020 Ron Vanderhoff
Potamogeton foliosus ssp. foliosus
2020 Ron Vanderhoff

Prosartes hookeri    Drops of gold
native
Perennial herb

LILIACEAE

Prosartes hookeri
2019 Stacie Wolny
Prosartes hookeri
2020 Ken Lunders
Prosartes hookeri
2019 Stacie Wolny

Prunus ilicifolia ssp. ilicifolia    Holly leaf cherry,  Hollyleaf cherry
native
Tree, Shrub

ROSACEAE

Prunus ilicifolia ssp. ilicifolia
2018 David Greenberger
Prunus ilicifolia ssp. ilicifolia
2019 Ron Vanderhoff
Prunus ilicifolia ssp. ilicifolia
2019 Ron Vanderhoff

Prunus virginiana var. demissa    Chokecherry,  Western choke cherry,  Western chokecherry
native
Tree, Shrub

ROSACEAE

Prunus virginiana var. demissa
2020 Bryant Baker
Prunus virginiana var. demissa
2020 Susan McDougall
Prunus virginiana var. demissa
2020 Susan McDougall

native
Perennial herb

ASTERACEAE

Pseudognaphalium beneolens
2021 BLM Redding Field Office
Pseudognaphalium beneolens
2021 Mike Russler
Pseudognaphalium beneolens
2021 R.A. Chasey

Pseudognaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

Pseudognaphalium californicum
2019 Gary McDonald
Pseudognaphalium californicum
2020 Steven M Norris
Pseudognaphalium californicum
2021 Ron Vanderhoff

Pteridium aquilinum var. pubescens    Hairy brackenfern,  Western bracken fern
native
Fern

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2022 Bob Sweatt

Quercus agrifolia var. agrifolia    California live oak,  Coast live oak
native
Tree

FAGACEAE

Quercus agrifolia var. agrifolia
2023 Ron Vanderhoff
Quercus agrifolia var. agrifolia
2022 Ron Vanderhoff
Quercus agrifolia var. agrifolia
2021 Al Keuter

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

Quercus berberidifolia
2022 David Strauch
Quercus berberidifolia
2020 Cynthia Keiser
Quercus berberidifolia
2020 Cynthia Keiser

Quercus lobata    California white oak,  Valley oak
native
Tree

FAGACEAE

Quercus lobata
2018 stephen rosenthal
Quercus lobata
2023 Helen Hancock
Quercus lobata
2020 Charles Russell

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica
2019 David Greenberger
Rafinesquia californica
2021 Ron Vanderhoff
Rafinesquia californica
2017 Steve Matson

native
Perennial herb

RANUNCULACEAE

Ranunculus californicus var. californicus
2018 Gary McDonald
Ranunculus californicus var. californicus
2016 Steve Matson
Ranunculus californicus var. californicus
2016 Steve Matson

Ranunculus hebecarpus    Delicate buttercup,  Pubescent fruited buttercup,  Slender annual buttercup
native
Annual herb

RANUNCULACEAE

Ranunculus hebecarpus
2019 Ron Vanderhoff
Ranunculus hebecarpus
2021 Ron Vanderhoff
Ranunculus hebecarpus
2019 Ron Vanderhoff

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

Rhamnus ilicifolia
2016 Steve Matson
Rhamnus ilicifolia
2020 Rebecca Schoenenberger
Rhamnus ilicifolia
2019 Diane Etchison

Ribes californicum var. californicum    California gooseberry,  Hillside gooseberry
native
Shrub

GROSSULARIACEAE

Ribes californicum var. californicum
2019 Matt Berger
Ribes californicum var. californicum
2018 Gary McDonald
Ribes californicum var. californicum
2019 Adam Chasey

Ribes divaricatum var. pubiflorum    Spreading gooseberry,  Straggly gooseberry
native
Shrub

GROSSULARIACEAE

Ribes divaricatum var. pubiflorum
2021 Ken-ichi Ueda
Ribes divaricatum var. pubiflorum
2021 Ken-ichi Ueda
Ribes divaricatum var. pubiflorum
2021 Ken-ichi Ueda

Ribes sanguineum var. glutinosum    Blood currant,  Flowering currant,  Pink flowering currant
native
Shrub

GROSSULARIACEAE

Ribes sanguineum var. glutinosum
2020 Talila Golan
Ribes sanguineum var. glutinosum
2018 John Rusk
Ribes sanguineum var. glutinosum
2018 Hunter Breck

Ribes sericeum    Santa lucia gooseberry
rare native
Shrub

GROSSULARIACEAE

Ribes sericeum
2012 Robert Hotaling
Ribes sericeum
2004 Dean Wm. Taylor

Ribes speciosum    Fuchsia flowered gooseberry,  Fuchsiaflower gooseberry
native
Shrub

GROSSULARIACEAE

Ribes speciosum
2022 David Chipping
Ribes speciosum
2021 Ron Vanderhoff
Ribes speciosum
2012 Ron Vanderhoff

Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

Rosa californica
2022 Suzanne L. Weakley
Rosa californica
2022 Suzanne L. Weakley
Rosa californica
2020 R.A. Chasey

native
Shrub

ROSACEAE

Rosa gymnocarpa var. gymnocarpa
2019 James Gonsman
Rosa gymnocarpa var. gymnocarpa
2020 David Krause
Rosa gymnocarpa var. gymnocarpa
2017 Steve Matson

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

Rubus ursinus
2018 Ken Lunders
Rubus ursinus
2019 Ron Vanderhoff
Rubus ursinus
2015 Kelli Kallenborn

Rumex conglomeratus    Clustered dock,  Green dock
non-native
Perennial herb

POLYGONACEAE

Rumex conglomeratus
2020 Ron Vanderhoff
Rumex conglomeratus
2021 David popp
Rumex conglomeratus
2020 Ron Vanderhoff

Rumex crispus    Curly dock,  Curly leaved dock,  Rhubarb
invasive non-native
Perennial herb

POLYGONACEAE

Rumex crispus
2018 Tim Lewis
Rumex crispus
2019 Diane Etchison
Rumex crispus
2022 David Strauch

Rumex kerneri    Kerner's dock
non-native
Perennial herb

POLYGONACEAE

Rumex kerneri
2007 Neal Kramer
Rumex kerneri
2011 Neal Kramer

Rumex salicifolius var. salicifolius    Willow dock,  Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. salicifolius
2010 Margo Bors
Rumex salicifolius var. salicifolius
2018 Gary McDonald
Rumex salicifolius var. salicifolius
2017 John Doyen

Salix lasiandra var. lasiandra    Pacific willow
native
Tree

SALICACEAE

Salix lasiandra var. lasiandra
2021 Alice Cummings
Salix lasiandra var. lasiandra
2021 Diane Renshaw
Salix lasiandra var. lasiandra
2021 Ken Hickman

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
2017 Susan Kotelnicki
Salix lasiolepis
2022 Ron Vanderhoff
Salix lasiolepis
2020 Steve Matson

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

Salvia mellifera
2017 Steve Matson
Salvia mellifera
2022 Suzanne L. Weakley
Salvia mellifera
2019 Diane Etchison

Salvia spathacea    Hummingbird sage
native
Perennial herb

LAMIACEAE

Salvia spathacea
2020 David Wolfson
Salvia spathacea
2020 Abby Nichols
Salvia spathacea
2020 Bryant Baker

Sambucus mexicana ssp. mexicana    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

Sambucus mexicana ssp. mexicana
2021 Mike Russler
Sambucus mexicana ssp. mexicana
2020 Diane Etchison
Sambucus mexicana ssp. mexicana
2022 El Byrne

Sanicula bipinnata    Poison sanicle
native
Perennial herb

APIACEAE

Sanicula bipinnata
2008 Steve Matson
Sanicula bipinnata
2009 Keir Morse
Sanicula bipinnata
2022 R.A. Chasey

Sanicula crassicaulis    Gamble weed,  Pacific blacksnakeroot,  Pacific sanicle
native
Perennial herb

APIACEAE

Sanicula crassicaulis
2020 Susan McDougall
Sanicula crassicaulis
2020 Ryan Carle
Sanicula crassicaulis
2020 R.A. Chasey

native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus pungens var. longispicatus
2012 Michael Mitchell
Schoenoplectus pungens var. longispicatus
2022 R.A. Chasey
Schoenoplectus pungens var. longispicatus
2022 R.A. Chasey

Scirpus microcarpus    Panicled bulrush,  Small fruited bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus microcarpus
2022 Doug Allshouse
Scirpus microcarpus
2008 Steve Matson
Scirpus microcarpus
2013 Ron Vanderhoff

Scrophularia californica ssp. californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica ssp. californica
2020 Bob Sweatt
Scrophularia californica ssp. californica
2006 Steve Matson
Scrophularia californica ssp. californica
2019 Cynthia Powell

Scrophularia californica ssp. floribunda    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica ssp. floribunda
2020 Bob Sweatt
Scrophularia californica ssp. floribunda
2006 Steve Matson
Scrophularia californica ssp. floribunda
2019 Cynthia Powell

Senecio aronicoides    California butterweed,  California groundsel,  California rayless butterweed
native
Perennial herb

ASTERACEAE

Senecio aronicoides
2020 Helen Hancock
Senecio aronicoides
2008 Steve Matson
Senecio aronicoides
2020 Julie A. Kierstead

Silene laciniata ssp. laciniata    Cardinal catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene laciniata ssp. laciniata
2020 David Greenberger
Silene laciniata ssp. laciniata
2023 Ron Vanderhoff
Silene laciniata ssp. laciniata
2023 Ron Vanderhoff

Silybum marianum    Blessed milkthistle,  Milk thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Silybum marianum
2020 Nancy Hamlett
Silybum marianum
2009 Barry Rice
Silybum marianum
2019 Marisa Persaud

Solanum umbelliferum var. xanti    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum var. xanti
2022 Mike Russler
Solanum umbelliferum var. xanti
2014 Steve Matson
Solanum umbelliferum var. xanti
2014 Steve Matson

Solidago elongata    West coast canada goldenrod
native
Perennial herb

ASTERACEAE

Solidago elongata
2021 Mike Russler
Solidago elongata
2021 Mike Russler
Solidago elongata
2022 Steve Matson

Solidago velutina ssp. californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago velutina ssp. californica
2013 Steve Matson
Solidago velutina ssp. californica
2008 Steve Matson
Solidago velutina ssp. californica
2008 Steve Matson

Sonchus asper ssp. asper    Prickly sow thistle,  Sow thistle
non-native
Annual herb

ASTERACEAE

Sonchus asper ssp. asper
2022 Ron Vanderhoff
Sonchus asper ssp. asper
2022 Ron Vanderhoff
Sonchus asper ssp. asper
2022 Ron Vanderhoff

Sonchus oleraceus    Common sow thistle,  Common sowthistle,  Sow thistle
non-native
Annual herb

ASTERACEAE

Sonchus oleraceus
2019 Diane Etchison
Sonchus oleraceus
2015 Jesse Rorabaugh
Sonchus oleraceus
2008 Gary McDonald

Stachys bullata    California hedge nettle,  California hedgenettle,  Southern hedge nettle
native
Perennial herb

LAMIACEAE

Stachys bullata
2014 Steve Matson
Stachys bullata
2014 Steve Matson
Stachys bullata
2020 Bryant Baker

Stachys pycnantha ssp. pycnantha    Short spike hedge nettle,  Shortspike hedgenettle
native
Perennial herb

LAMIACEAE

Stachys pycnantha ssp. pycnantha
2019 David Wolfson
Stachys pycnantha ssp. pycnantha
2018 Julian Geoghegan
Stachys pycnantha ssp. pycnantha
2011 Neal Kramer

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria media
2018 Gary McDonald
Stellaria media
2018 Gary McDonald
Stellaria media
2015 Diane Etchison

Stellaria nitens    Shining chickweed,  Shiny chickweed,  Smooth chickweed
native
Annual herb

CARYOPHYLLACEAE

Stellaria nitens
2020 Ken Hickman
Stellaria nitens
2022 Catherine Chang
Stellaria nitens
2017 David popp

Stephanomeria cichoriacea    Chicory leaved stephanomeria,  Chicoryleaf wirelettuce,  Fort tejon milk aster
native
Perennial herb

ASTERACEAE

Stephanomeria cichoriacea
2019 David Greenberger
Stephanomeria cichoriacea
2018 John Game
Stephanomeria cichoriacea
2013 James Gonsman

Symphoricarpos albus var. laevigatus    Common snowberry,  Upright snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos albus var. laevigatus
2020 Jacob Smith
Symphoricarpos albus var. laevigatus
2015 Robert Sikora
Symphoricarpos albus var. laevigatus
2020 Jacob Smith

Symphyotrichum chilense    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Symphyotrichum chilense
2020 Suzanne L. Weakley
Symphyotrichum chilense
2013 Arcangelo Wessells
Symphyotrichum chilense
2018 Stacie Wolny

Taraxacum officinale    Common dandelion,  Dandelion,  Red seeded dandelion
non-native
Perennial herb

ASTERACEAE

Taraxacum officinale
2021 Ron Vanderhoff
Taraxacum officinale
2019 Diane Etchison
Taraxacum officinale
2021 Ron Vanderhoff

Tauschia hartwegii    Hartweg's tauschia,  Hartweg's umbrellawort,  Tauschia
native
Perennial herb

APIACEAE

Tauschia hartwegii
2006 Steve Matson
Tauschia hartwegii
2006 Steve Matson
Tauschia hartwegii
2006 Steve Matson

Thalictrum fendleri var. polycarpum    Fendler's meadow rue,  Meadow rue,  Torrey's meadow rue
native
Perennial herb

RANUNCULACEAE

Thalictrum fendleri var. polycarpum
2017 Thomas Reyes
Thalictrum fendleri var. polycarpum
2019 Patrick Furtado
Thalictrum fendleri var. polycarpum
2009 Keir Morse

native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes ssp. curvipes
2019 Matt Berger
Thysanocarpus curvipes ssp. curvipes
2020 R.A. Chasey
Thysanocarpus curvipes ssp. curvipes
2022 Mike Russler

Thysanocarpus laciniatus    Common lace pod,  Mountain fringepod,  Narrow leaved fringe pod
native
Annual herb

BRASSICACEAE

Thysanocarpus laciniatus
2021 Helen Hancock
Thysanocarpus laciniatus
2008 Keir Morse
Thysanocarpus laciniatus
2021 R.A. Chasey

Torilis arvensis    Field hedge parsley,  Spreading hedgeparsley,  Tall Sock-Destroyer
invasive non-native
Annual herb

APIACEAE

Torilis arvensis
2019 Ron Vanderhoff
Torilis arvensis
2018 Gary McDonald
Torilis arvensis
2018 Lindsey Hack

Torilis nodosa    Hedge parsley,  Knotted hedge parsley,  Knotted hedgeparsley
non-native
Annual herb

APIACEAE

Torilis nodosa
2011 Steve Matson
Torilis nodosa
2011 Steve Matson
Torilis nodosa
2022 R.A. Chasey

Toxicodendron diversilobum    Poison oak,  Poisonoak,  Western Poison Oak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
2020 Ron Vanderhoff
Toxicodendron diversilobum
2019 Randy Huey
Toxicodendron diversilobum
2021 Bryant Baker

Tragopogon porrifolius    Purple salsify
non-native
Perennial herb

ASTERACEAE

Tragopogon porrifolius
2019 Julie dinsdale
Tragopogon porrifolius
2015 David Wolfson
Tragopogon porrifolius
2020 Martin Cooper

Trifolium bifidum var. decipiens    Notch leaf clover
native
Annual herb

FABACEAE

Trifolium bifidum var. decipiens
2022 R.A. Chasey
Trifolium bifidum var. decipiens
2022 R.A. Chasey
Trifolium bifidum var. decipiens
2021 Cameron Chabre

Trifolium ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

Trifolium ciliolatum
2020 Diane Etchison
Trifolium ciliolatum
2015 Diane Etchison
Trifolium ciliolatum
2019 Ron Vanderhoff

Trifolium fucatum    Bull clover,  Sour clover
native
Annual herb

FABACEAE

Trifolium fucatum
2019 James Gonsman
Trifolium fucatum
2019 James Gonsman
Trifolium fucatum
2019 Paul Aigner

Trifolium microcephalum    Hairy clover,  Small headed clover
native
Annual herb

FABACEAE

Trifolium microcephalum
2005 Steve Matson
Trifolium microcephalum
2016 Michael Mitchell
Trifolium microcephalum
2019 Ron Vanderhoff

Trifolium microdon    Thimble clover,  Valparaiso clover
native
Annual herb

FABACEAE

Trifolium microdon
2022 Dee Shea Himes
Trifolium microdon
2022 Dee Shea Himes
Trifolium microdon
2008 Neal Kramer

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
2019 Ron Vanderhoff
Trifolium willdenovii
2019 Ron Vanderhoff
Trifolium willdenovii
2018 Stacie Wolny

Trillium angustipetalum    Narrow petaled wakerobin,  Narrowpetal wakerobin
native
Perennial herb

MELANTHIACEAE

Trillium angustipetalum
2019 Kolby Lundgren
Trillium angustipetalum
2015 Nathan Feldman
Trillium angustipetalum
2020 Susan McDougall

Trisetum canescens    Nodding oatgrass,  Nodding trisetum,  Tall trisetum
native
Perennial grass

POACEAE

Trisetum canescens
2020 John Rawlings
Trisetum canescens
2022 Ellen Uhler
Trisetum canescens
2017 MCOSD EDRR

Turritis glabra    Tower rockcress
native
Perennial herb

BRASSICACEAE

Turritis glabra
2021 David Wolfson
Turritis glabra
2021 Mike Russler
Turritis glabra
2020 Chico Hiking Association

Typha domingensis    Narrowleaf cattail,  Southern cattail
native
Perennial herb

TYPHACEAE

Typha domingensis
2020 Ron Vanderhoff
Typha domingensis
2022 Ron Vanderhoff
Typha domingensis
2020 Ellen Gartside

Umbellularia californica    Bay laurel,  California bay,  California laurel, bay tree
native
Tree

LAURACEAE

Umbellularia californica
2016 Steve Matson
Umbellularia californica
2016 Steve Matson
Umbellularia californica
2020 Ron Vanderhoff

Verbascum thapsus    Common mullein,  Woolly mullein
invasive non-native
Perennial herb

SCROPHULARIACEAE

Verbascum thapsus
2021 R.A. Chasey
Verbascum thapsus
2020 Kim Cabrera
Verbascum thapsus
2019 Marisa Persaud

Verbascum virgatum    Wand mullein
non-native
Perennial herb

SCROPHULARIACEAE

Verbascum virgatum
2019 Jerry Thornton
Verbascum virgatum
2022 Amber Bedgood
Verbascum virgatum
2021 Ron Vanderhoff

Verbena lasiostachys var. lasiostachys    Vervain,  Western vervain
native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. lasiostachys
2010 Steve Matson
Verbena lasiostachys var. lasiostachys
2018 Mary Conway
Verbena lasiostachys var. lasiostachys
2018 Mary Conway

Veronica anagallis-aquatica    Water speedwell
non-native
Perennial herb

PLANTAGINACEAE

Veronica anagallis-aquatica
2015 Steve Matson
Veronica anagallis-aquatica
2015 Steve Matson
Veronica anagallis-aquatica
2022 Bob Sweatt

Vicia americana ssp. americana    American vetch
native
Perennial herb, Vine

FABACEAE

Vicia americana ssp. americana
2017 James Gonsman
Vicia americana ssp. americana
2021 Ken Lunders
Vicia americana ssp. americana
2021 Ken Lunders

Vicia hassei    Hasse's vetch
native
Vine

FABACEAE

Vicia hassei
2004 Aaron Schusteff
Vicia hassei
2016 Phil Johnson
Vicia hassei
2004 Aaron Schusteff

Vicia sativa ssp. sativa    Garden vetch,  Pubescent common vetch,  Spring vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. sativa
2007 Toni Corelli
Vicia sativa ssp. sativa
2020 Ron Vanderhoff
Vicia sativa ssp. sativa
2020 Ron Vanderhoff

Wyethia glabra    Coast range mule ears,  Shining mule ears,  Smooth mule ears
native
Perennial herb

ASTERACEAE

Wyethia glabra
2020 Amy Rapport
Wyethia glabra
2019 Colleen Herr
Wyethia glabra
2018 MCOSD EDRR